Home / 654,060.11-902,623.41-395,984.39

Finding the Fourth Proportional to 654,060.11, 902,623.41 and 395,984.39

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Solution

The fourth proportional to 654,060.11, 902,623.41 and 395,984.39 is: 546,470.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,060.11 : 902,623.41 = 395,984.39 : x
  2. Step 2: Convert to fraction form
    654,060.11/902,623.41 = 395,984.39/x
  3. Step 3: Cross multiply
    654,060.11x = 902,623.41 × 395,984.39
  4. Step 4: Simplify right side
    654,060.11x = 357,424,775,895.45
  5. Step 5: Solve for x
    x = 357,424,775,895.45/654,060.11
  6. Step 6: Final answer
    x = 546,470.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.